i have been billed and havent received my data

Since the 12 december 2015 i am awaiting my unlimited data which is 10gig..its part of my package which ends in march and in march i get 1 gig per month. Iv needed to buy data unecessarily thrice already since 12th december till todate. I have logged many complaints and queries since monday till today. I dont get emails calls or messages to say we will resolve your problem by today..nothing zilch..i get taken for a fool by agents and consultants alike who protect their managers saying that they are constantly not available..i want this resolved..please please help me<br> thanking you